Tell whether the graph of the function opens up or down.P(x) = -x2 + 4
A. down
B. up
Answer: A
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Find the center, transverse axis, vertices, and foci of the hyperbola.
- 
= 1
A. center at (0, 0)
transverse axis is y-axis
vertices: (0, -2), (0, 2)
foci: (0, - 5
), (0, 5
)
B. center at (0, 0)
transverse axis is y-axis
vertices: (0, -2), (0, 2)
foci: (- 5
, 0), (5
, 0)
C. center at (0, 0)
transverse axis is y-axis
vertices: (-2, 0), (2, 0)
foci: (-11, 0), (11, 0)
D. center at (0, 0)
transverse axis is x-axis
vertices: (-11, 0), (11, 0)
foci: (- 5
, 0), (5
, 0)
Find and simplify the difference quotient of f, 
, for the function.f(x) = 3x + 1
A. 0
B. 3
C. 3 + 
D. 3 + 
Convert 656 megameters to gigameters.
a. 65.6 Gg b. 6.56 Gg c. 0.656 Gg d. 0.0656 Gg
Sketch the graph of the given equation over the interval [-2?, 2?].y = sin x + 2 
A. 
B. 
C. 
D. 